std_msgs/Header header
bool confirm
uint8 min_pwm_pct   # The minimum motor drive duty cycle in percent (0-100). Default is 20%.
uint8 max_pwm_pct   # The maximum motor drive duty cycle in percent (0-100). Default is 90%.
uint16 pwm_freq     # The frequency of the PWM outputs in Hz. Default is 2000Hz.
